| Characteristic | Intermittenta % (95% CI) | Dailyb % (95% CI) |
|---|---|---|
| Overall | 9.1 (8.7–9.5) | 14.7 (14.1–15.3) |
| Gender | ||
| Male | 10.9 (10.3–11.5) | 15.8 (15.0–16.6) |
| Female | 7.4 (6.9–7.9) | 13.7 (13.0–14.4) |
| Race/ethnicity | ||
| White, non-Hispanic | 7.9 (7.5–8.4) | 17.2 (16.5–18.0) |
| Black, non-Hispanic | 13.2 (11.8–14.8) | 12.2 (10.8–13.8) |
| Hispanic | 11.6 (10.4–12.9) | 7.0 (6.1–8.2) |
| American Indian/Alaska Native, non-Hispanic | 19.8 (14.0–27.4) | 22.3 (16.3–29.8) |
| Asian, non-Hispanic | 4.8 (3.7–6.2) | 5.4 (3.7–7.8) |
| Education | ||
| Less than high school | 11.5 (10.3–12.8) | 22.3 (20.7–23.9) |
| High school graduate | 10.0 (9.3–10.8) | 19.4 (18.4–20.6) |
| Some college | 10.0 (9.3–10.8) | 15.4 (14.4–16.5) |
| College graduate | 6.0 (5.4–6.7) | 5.5 (4.8–6.2) |
| Age (in years) | ||
| 18–25 | 17.5 (16.7–18.2) | 14.4 (13.7–15.1) |
| 26–44 | 11.0 (10.3–11.8) | 17.9 (16.9–18.8) |
| 45–64 | 6.9 (6.2–7.7) | 15.7 (14.7–16.8) |
| ≥65 | 2.7 (2.1–3.6) | 7.3 (6.1–8.7) |
| Poverty status | ||
| At or above poverty level | 8.1 (7.6–8.5) | 13.5 (12.9–14.1) |
| Below poverty level | 14.1 (13.0–15.4) | 21.6 (20.1–23.2) |
| Unknownc | 19.7 (14.6–26.1) | 2.3 (1.2–4.4) |
| Region | ||
| Northeast | 8.8 (8.0–9.7) | 13.6 (12.5–14.8) |
| Midwest | 8.4 (7.7–9.1) | 18.1 (17.0–19.3) |
| South | 9.7 (9.0–10.4) | 15.1 (14.2–16.1) |
| West | 8.9 (8.0–9.9) | 11.7 (10.6–13.0) |
Source: 2012 NSDUH: Substance Abuse and Mental Health Services Administration.
Note: CI = confidence interval.
Intermittent smoking is defined as smoking in the past month but not daily.
Daily smokers are defined as smoking daily.
Respondents 18–22 years of age currently living in a college dormitory are included in the Unknown category.
From: 13, Patterns of Tobacco Use Among U.S. Youth, Young Adults, and Adults
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